62 CLASSIFICATION OF THE ALEYRODHXE. 
adjacent waxy tubes, which at first is flat, then becomes a rather thick ring or 
cushion, and at last becomes so thick as to raise the pupa somewhat high above 
the leaf, and then it seems as if resting oh a very elegantly-fluted white wall ; 
vasiform orifice subelliptical, with concave anterior edge and broadly rounded 
sides and end ; operculum broad and short, the posterior edge concave ; lingula 
very long, extended beyond the orifice, subcylindrical, with emarginate sides and 
compressed extremity, the end rugose, with four rather long and many very 
short setae or hairs. 
Adult form unknown. 
Hab. in Fiji, on Psidium sp. My specimens were sent by Mr. R. L. Holmes. 
The arrangement of the dorsal spines, and the peculiar lingnla, will distin- 
guish this species. 
DESCRIPTIVE REMARKS. 
The type of this species was unfortunately not in the Maskell col- 
lection. We have received, however, what is evidently the same in- 
sect from Mr. E. S. \Voglum, of this bureau, collected at the Botanic 
Garden at Buitenzorg, Java, January, 1911, on a plant of the family 
Sapindacese, from which material we have drawn up the following 
description : 
The larva? and pupa? occur promiscuously over the underside of the 
leaves, though when few or moderately abundant they occur more 
along the midrib and larger veins. The surface of foliage on infested 
plants is more or less covered with the usual growth of " sooty fun- 
gus," nourished on the excretion from these insects. 
Egg. — Size about 0.2 by 0.1 mm., subelliptical, the distal end 
pointed. As seen on leaf, dark-brown to blackish in color; many 
specimens iridescent, without markings. Stalk attached at basal end 
and about twice length of egg. Eggs scattered promiscuously over 
leaf and prostrate. In hatching the shell splits longitudinally in two 
equal parts, which are held together at base (PL XIX. fig, 6). 
Larva (first stage). — Size about 0.26 by 0.153 mm., elongate ellip- 
tical in shape, though somewhat narrowed caudad. Around the mar- 
gin is a short rim of white waxy secretion. Color on leaf light brown, 
under microscope light yellowish to whitish. Eye spots reddish, 
elongate, and often divided. Margin without evident crenulations, 
except a shallow and variable sculpturing on cephalic end. Dorsum 
uniform, without evident pores, but little convex. Margin all around 
with minute seta?, the two caudal pairs strongest. Vasiform orifice 
relatively large, cordate in outline, about as wide as long. Oper- 
culum half as long as orifice, the sides rounded. Lingula spatulate, 
little if at all extended, minutely spinose. 
Pupa case. — Size about 1 by (X53 mm., elliptical in outline, the 
dorsum little convex; case raised on a vertical rim, all around of 
white wax. apparently deflexed from the large wax tubes on margin 
of case, [n addition to the above secretion the dorsum is covered 
with a plate of fused wax, through which project the compound wax 
